Home / 42,125.74-63,188.43-17,160.22

Finding the Fourth Proportional to 42,125.74, 63,188.43 and 17,160.22

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Solution

The fourth proportional to 42,125.74, 63,188.43 and 17,160.22 is: 25,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125.74 : 63,188.43 = 17,160.22 : x
  2. Step 2: Convert to fraction form
    42,125.74/63,188.43 = 17,160.22/x
  3. Step 3: Cross multiply
    42,125.74x = 63,188.43 × 17,160.22
  4. Step 4: Simplify right side
    42,125.74x = 1,084,327,360.25
  5. Step 5: Solve for x
    x = 1,084,327,360.25/42,125.74
  6. Step 6: Final answer
    x = 25,740.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.